diff --git a/wasm/js/scripts.js b/wasm/js/scripts.js
index 297de8e..b2fcb34 100644
--- a/wasm/js/scripts.js
+++ b/wasm/js/scripts.js
@@ -8,6 +8,7 @@ function getQueryParameters(url) {
 	return parameters;
 }
 let qtModule = undefined;
+let qtQR = undefined;
 async function init() {
 
 	const rootDiv = document.querySelector('#qtrootDiv');